The Institutional Risk Analyst

We hear that the PennyMac fiasco was largely caused by Bill Pulte and the Trump Administration. Most people in the markets don't realize that the GSEs had already bought a ton of mortgage-backed securities (MBS) in Q4 of last year. This market manipulation tightened mortgage spreads 15-20bps and increased mortgage prepayment speeds without a corresponding offset from hedges in the Treasury market. This set up PennyMac and other mortgage lenders for a disaster.

GS had a remarkable year in 2025, as shown in the table below. It is good to see the firm back on track after the disastrous experiment in retail banking and credit cards.  This is really one of the few pages in the GS public disclosure that has any useful information, which is a major reason that the Fed's Y-9C is must reading for analysts of Goldman Sachs.

Below we set up Goldman, Morgan Stanley and the other asset gatherers as we go into Q3 2025 earning this week.  As you might expect, GS is ahead of where it was a year ago in terms of non-interest income, earnings overall and equity market value.

Margin credit in the US reached a new peak last week, FINRA reports. As of the second quarter of 2025, total margin loans in the United States reached a record high of $1.008 trillion vs just $850 billion in April. 

Researchers at Apple just released a paper that throws cold water on the "reasoning" capabilities of the latest, most powerful large language AI models. In the paper, a team of machine learning experts makes the case that the AI industry is grossly overstating the ability of its top AI models, including OpenAI's o3, Anthropic's Claude 3.7, and Google's Gemini.